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Electrochemical air conditioning system and control method

An air conditioning system, electrochemical technology, applied in air conditioning systems, heating methods, space heating and ventilation, etc., can solve the problem of reducing the service life of electrochemical compressors, heating instability, reducing the comfort and stability of air conditioning systems, etc. problems, to achieve the effect of improving air outlet comfort, improving comfort and stability, and improving service life

Active Publication Date: 2019-03-05
QINGDAO HAIER SMART TECH R & D CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the heat exchangers at both ends of the current electrochemical compression device change from extremely hot to extremely cold, or from extremely cold to extremely hot during the periodic cooling and heating switching process, which will reduce the service life of the electrochemical compressor. And to a certain extent, periodic refrigeration or heating instability occurs, which reduces the comfort and stability of the air conditioning system

Method used

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  • Electrochemical air conditioning system and control method
  • Electrochemical air conditioning system and control method
  • Electrochemical air conditioning system and control method

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Embodiment 1

[0043] combine figure 1 As shown, an electrochemical air-conditioning system according to an embodiment of the present invention is illustrated, including an electrochemical compression refrigeration device (ECC) 100, a first heat exchanger 210 and a second heat exchanger 220, and the electrochemical compression refrigeration device 100 The first metal hydride heat exchanger 110 exchanges heat with the first heat exchanger 120 , and the second metal hydride heat exchanger 120 exchanges heat with the second heat exchanger 220 .

[0044] Among them, the heat exchange between the first metal hydride heat exchanger 110 and the first heat exchanger 210 is realized through the first outflow pipeline 111 and the first return pipeline 112, and electromagnetic Equipment such as valves and liquid pumps realize the circulation of refrigerant. For example, the first electromagnetic valve I 101 arranged on the first outflow pipeline 111 , the first electromagnetic valve II 102 and the fir...

Embodiment 2

[0065] Embodiment 2 of the present invention is an optimization and improvement carried out on the basis of Embodiment 1. In the electrochemical air-conditioning system of Embodiment 1 of the present invention, the first metal hydride heat exchanger 110 and the second metal hydride heat exchanger 120 are used in refrigeration and Heating is periodically switched alternately, therefore, the first heat exchanger 210 and the second heat exchanger 220 that exchange heat with it are also periodically switched alternately between cooling and heating, which makes the control method of the air conditioning system cumbersome , and cooling or heating is unstable.

[0066] like figure 2 As shown, in the electrochemical air-conditioning system of Embodiment 2 of the present invention, a first reversing pipeline group 500 and a second reversing pipeline group 600 are added; the first reversing pipeline group 500 is connected to the Between the first metal hydride heat exchanger 110 and t...

Embodiment 3

[0084] Embodiment 3 of the present invention is based on the above-mentioned Embodiment 1, in order to improve the stability of the cooling capacity or heating capacity at the ends of the first heat exchanger 210 and the second heat exchanger 220 in the heat neutralization mode, and ensure cooling Or heating effect, improve comfort, and increase the design. combine image 3 As shown, it also includes a first bypass pipeline 114, a second thermal insulation storage tank 420, a second bypass pipeline 124 and a fourth thermal insulation storage tank 440, and the two ends of the first bypass pipeline 114 are respectively It is straddled and connected to the part of the first outflow pipeline 111 that constitutes the first partial circulation passage, and the second heat-insulated liquid storage tank 420 is connected to the first bypass pipeline 114, and the first shut-off pipeline 113 , part of the first outflow pipeline, the first bypass pipeline 114 , part of the first outflow ...

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Abstract

The invention discloses an electrochemical air conditioning system and a control method, and belongs to the field of air conditioners. According to the electrochemical air conditioning system, a firstintercepting pipeline is connected between an outflow pipeline and a backflow pipeline of a first hydrogenated metal heat exchanger, a second intercepting pipeline is connected between an outflow pipeline and a backflow pipeline of a second hydrogenated metal heat exchanger, and a cold and hot neutralization pipeline set is connected between the first hydrogenated metal heat exchanger and the second hydrogenated metal heat exchanger. According to the system, a switching signal is added between two continuous hydrogen reversing switching signals to carry out a heat neutralization mode, the first hydrogenated metal heat exchanger and the second hydrogenated metal heat exchanger are subjected to heat neutralization before cold and hot alternation so as to be prevented from changing from extreme hot into extreme cold, or from the extreme cold into the extreme hot, and the service life of a electrochemical compression refrigerating device is prolonged; in addition, the refrigeration mode or the heating mode can be kept after an electrochemical device stops running, comfortable cold air or hot air is blown out, the comfort and the stability are improved, and useless work is reduced.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an electrochemical air conditioning system and a control method. Background technique [0002] The electrochemical compressor is hydrogen (H 2 ) is supplied to the hydrogen compressor at the anode, and the compressed hydrogen is collected at the cathode at a pressure of up to 10,000 psig at 70% to 80% efficiency. Electrochemical compressors are noiseless, scalable, and easy to modularize. At present, they have been tried to be applied to new refrigeration systems. It is foreseeable that research on electrochemical refrigeration systems will receive increasing attention. [0003] As a refrigeration system application process, the electrochemical compression device generally includes an electrochemical compressor (ie, an electrochemical compressor pump), a first metal hydride reactor and a second metal hydride reactor communicated with both ends of the electrochemical com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F13/30
CPCF24F5/001F24F13/30
Inventor 刘德昌魏伟王定远
Owner QINGDAO HAIER SMART TECH R & D CO LTD
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